/**
 * Created by admin on 2017/4/28.
 */

//字符转换为UTF-8编码
(function () {
 var EncodeUtf8=function (s1)
{
    var s = escape(s1);
    var sa = s.split("%");
    var retV ="";
    if(sa[0] != "")
    {
        retV = sa[0];
    }
    for(var i = 1; i < sa.length; i ++)
    {
        if(sa[i].substring(0,1) == "u")
        {
            retV += Hex2Utf8(Str2Hex(sa[i].substring(1,5)));

        }
        else retV += "%" + sa[i];
    }

    return retV;
}
function Str2Hex(s)
{
    var c = "";
    var n;
    var ss = "0123456789ABCDEF";
    var digS = "";
    for(var i = 0; i < s.length; i ++)
    {
        c = s.charAt(i);
        n = ss.indexOf(c);
        digS += Dec2Dig(eval(n));

    }
    //return value;
    return digS;
}
function Dec2Dig(n1)
{
    var s = "";
    var n2 = 0;
    for(var i = 0; i < 4; i++)
    {
        n2 = Math.pow(2,3 - i);
        if(n1 >= n2)
        {
            s += '1';
            n1 = n1 - n2;
        }
        else
            s += '0';

    }
    return s;

}
function Dig2Dec(s)
{
    var retV = 0;
    if(s.length == 4)
    {
        for(var i = 0; i < 4; i ++)
        {
            retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
        }
        return retV;
    }
    return -1;
}
function Hex2Utf8(s)
{
    var retS = "";
    var tempS = "";
    var ss = "";
    if(s.length == 16)
    {
        tempS = "1110" + s.substring(0, 4);
        tempS += "10" + s.substring(4, 10);
        tempS += "10" + s.substring(10,16);
        var sss = "0123456789ABCDEF";
        for(var i = 0; i < 3; i ++)
        {
            retS += "%";
            ss = tempS.substring(i * 8, (eval(i)+1)*8);



            retS += sss.charAt(Dig2Dec(ss.substring(0,4)));
            retS += sss.charAt(Dig2Dec(ss.substring(4,8)));
        }
        return retS;
    }
    return "";
}
window.encodeZQ8=EncodeUtf8;
})();
